12963040

素因数分解:

$2^5\times 5^1\times {\mathrm{81019}}^1$

素因数の和:81034

約数の個数: 24

約数和(自身を含む): 30625560

約数和(自身を除く): 17662520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 81019, 162038, 324076, 405095, 648152, 810190, 1296304, 1620380, 2592608, 3240760, 6481520, 12963040]

約数ペア:

[(1, 12963040), (2, 6481520), (4, 3240760), (5, 2592608), (8, 1620380), (10, 1296304), (16, 810190), (20, 648152), (32, 405095), (40, 324076), (80, 162038), (160, 81019)]